Red-light unit



FIG. 1 is a front perspective view of a red-light unit, showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines showing of a partial electric cord in the figures formsno part of the claimed design.

CLAIM The ornamental design for a red-light unit, as shown anddescribed.